<template>
    <div id="tmpl">
        <!--评论组件-->
        <!--1.0 实现提交评论数据到服务器的静态结构-->
        <div id="postcomment">
            <h3>提交评论</h3>
            <p class="p"></p>
            <textarea placeholder="请输入您要评论的内容..." v-model="postcontent"></textarea>
            <mt-button type="primary" size="large" @click="postcomment">发表</mt-button>
        </div>
        <!--2.0 实现获取评论数据列表-->
        <div id="list">
            <h3>评论列表</h3>
            <p class="p"></p>
            <div v-for="(item,index) in list">
                <div class="title">
                    <span>第{{index+1}}楼</span>
                    <span>用户：{{item.user_name}}</span>
                    <span>发表时间：{{item.add_time | datefmt("YYYY-MM- hh:mm:ss")}}</span>
                </div>
                <ul class="mui-table-view">
                    <li class="mui-table-view-cell" v-text="item.content"></li>
                </ul>
            </div>
        </div>
        <mt-button type="danger" size="large" plain @click="getmore">加载更多</mt-button>
    </div>
</template>
<script>
    import { Toast } from 'mint-ui';
    import common from "../../Kits/common"
    export default{
        data(){
            return{
                pageindex:1 , //代表获取api中的第几页评论数据
                postcontent : '',  //用来自动获取用户填写的评论内容
                list:[]  //评论数据的数组
            }
        },
        props:['id'],
        created(){
            this.getcommentlist(this.pageindex)
        },
        methods:{
            //评论数据的提交
            postcomment(){
                if(this.postcontent.trim().length<=0){
                    Toast('您要评论的内容不能为空');
                    return;
                }
                var url=common.apidomain+"/api/postcomment/"+this.id;
                this.$http.post(url,{content:this.postcontent},{emulateJSON:true}).then(function (res) {
                    Toast(res.body.message);
                    this.list=[{
                        "user_name": "匿名用户",
                        "add_time": new Date(),
                        "content": this.postcontent
                    }].concat(this.list);
                    this.postcontent="";
                })
            },
            //获取当前评论的数
            getcommentlist(pageindex){
                pageindex=pageindex||1;
                var url=common.apidomain+"/api/getcomments/"+this.id+"?pageindex="+pageindex;
                this.$http.get(url).then(function (res) {
                    if(res.body.status != 0){
                        Toast(res.body.message);
                        return;
                    }
                    this.list=this.list.concat(res.body.message)
                })
            },
            //加载更多
            getmore(){
                this.pageindex++;
                this.getcommentlist(this.pageindex)
            }
        }
    }
</script>
<style scoped>
    #postcomment{
        padding: 5px;
    }
    .p{
        height: 1px;
        width: 100%;
        border-bottom: 1px solid rgba(0,0,0,0.3);
    }
    /*2.0 评论列表的样式*/
    #list{
        padding: 5px;
    }
    .title{
        padding: 5px;
        color: #6d6d72;
        font-size: 15px;
        background-color: rgba(0,0,0,0.1);
    }
</style>